A notebook in the hand of J. H. Davies, Lincoln's Inn Fields, London mainly containing extracts from Rawlinson MS c. 261 and Walker MS c. 13 in the Bodleian Library, Oxford, being respectively proceedings, 1650-1, of the Commissioners appointed under the Act for the better Propagation and Preaching of the Gospel in Wales, 1649, and accounts, 1650-52, of the Treasurer of South Wales furnished to the Commissioners of Neath, 1655, and an ?incomplete transcript of 'Some principall pointes Held and Maintained by the Church of Christ in Wales falsly called Anabaptists' from B M Harleian MS 6898.

A notebook in the hand of J. H. Davies containing a lecture, with revisions, on 'the Welsh Revolution in the 17th Century', i.e. religious and political developments in Wales during the Commonwealth and Restoration periods.

A scribbling tablet in the hand of J. H. Davies containing material, mainly from public records (e.g. Court of Great Sessions records; order books of the Committee for Plundered Ministers, Commonwealth Exchequer Papers) relating in particular to the life of Morgan Llwyd ('o Wynedd'; 1619-59) and in general to contemporary religious development in Wales.

A notebook in the hand of Thomas Edward Ellis (1859-99) containing notes and extracts mainly relating to Morgan Llwyd (1619-59) and the religious background of the sixteenth and seventeenth centuries, probably compiled in connection with the preparation of Gweithiau Morgan Llwyd o Wynedd, ed. Thomas E. Ellis (Bangor and London, 1899). The second volume of Gweithiau Morgan Llwyd o Wynedd was published in 1908 and edited by J. H. Davies, who states (p.v) that T. E. Ellis had left a large number of disconnected notes which he had found very useful in preparing his work.

A volume containing a late-eighteenth century copy of 'A Short Account of the Rebellion in North & South Wales in Oliver Cromwell's Time copy'd from a Manuscript', recording events in Wales during the English Civil War from its commencement in 1642 to the execution of Charles I in 1649 and through the Commonwealth Period until 1656 (ff. 1-13 verso, 22-30; ff. 12 verso-13 verso and f. 28 are in Welsh).
The author gives a non-partisan account of the conflict, although sometimes referring to the excesses of the Parliamentary forces; his statement on f. 1 verso that he was a resident of Llanfachreth and Dolgellau, Merionethshire, suggests an identification with Robert Vaughan (1592?-1666) of Hengwrt. The volume also includes a short chronology of events in England, Scotland, Ireland, and abroad, 1600-1653 (ff. 14-19); the names of the principal officers and the numbers from other ranks taken and killed at the Battle of Nantwich, 25 January 1643 (f. 19 verso); 'The Humble Petition of many Thousands in ye Counties of Northwales', concerning the ejection of ministers from their churches and the sequestering of tithes by the Act made 22 February 1649 for propagating the gospel in Wales (f. 20); memoranda and copies of documents relating to the parliamentary elections for Merionethshire, 1654 and 1658, including a letter, 30 September 1654, from Simon Thelwall, Plas-y-Ward, and Humphrey Jones, Plas-yn-ddôl, to the friends of John Vaughan, Cefnbodig, Penllyn, one of the candidates, and a letter, 23 December 1658, from Howel Vaughan, Glan-y-llyn, and others to Lewis Owen, Peniarth, expressing their opinion that the latter would be a fit person to serve as member for the county at the next Parliament (ff. 20 verso-21 verso); and an account of an apparition of a battle seen in 1656 by eight eyewitnesses at Tre'r-go between Newborough and Aberffraw, Anglesey (ff. 29 verso-30).